Write A Command Remove All Empty Lines:

1.	Write A Command Remove All Empty Lines:
Answer» SED '/^$/d' test_file.txt sed '/./!d' test_file.txt sed '/^$/d' test_file.txt sed '/./!d' test_file.txt

Answer»

SED '/^$/d' test_file.txt

sed '/./!d' test_file.txt

sed '/^$/d' test_file.txt

sed '/./!d' test_file.txt

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